From a3a652f3394d7d25967394f0ee334c3394e629ec Mon Sep 17 00:00:00 2001 From: Umar Javed Date: Wed, 4 Dec 2019 03:57:46 +0500 Subject: [PATCH 1/2] Fix bar3d bug with matching color string and array x lengths --- lib/mpl_toolkits/mplot3d/axes3d.py | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/lib/mpl_toolkits/mplot3d/axes3d.py b/lib/mpl_toolkits/mplot3d/axes3d.py index 584e12461d6d..ebf03f7bf20f 100644 --- a/lib/mpl_toolkits/mplot3d/axes3d.py +++ b/lib/mpl_toolkits/mplot3d/axes3d.py @@ -2507,13 +2507,15 @@ def bar3d(self, x, y, z, dx, dy, dz, color=None, if color is None: color = [self._get_patches_for_fill.get_next_color()] + color = list(mcolors.to_rgba_array(color)) + if len(color) == len(x): # bar colors specified, need to expand to number of faces for c in color: facecolors.extend([c] * 6) else: # a single color specified, or face colors specified explicitly - facecolors = list(mcolors.to_rgba_array(color)) + facecolors = color if len(facecolors) < len(x): facecolors *= (6 * len(x)) From 680e839635b950323112c421a349bec04afc29e8 Mon Sep 17 00:00:00 2001 From: Elliott Sales de Andrade Date: Mon, 8 Jun 2020 19:46:46 -0400 Subject: [PATCH 2/2] Add a simple smoke test for bar3d colors. --- lib/mpl_toolkits/tests/test_mplot3d.py | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/lib/mpl_toolkits/tests/test_mplot3d.py b/lib/mpl_toolkits/tests/test_mplot3d.py index fcc225053632..37532335e38d 100644 --- a/lib/mpl_toolkits/tests/test_mplot3d.py +++ b/lib/mpl_toolkits/tests/test_mplot3d.py @@ -36,6 +36,18 @@ def test_bar3d(): ax.bar(xs, ys, zs=z, zdir='y', align='edge', color=cs, alpha=0.8) +def test_bar3d_colors(): + fig = plt.figure() + ax = fig.add_subplot(111, projection='3d') + for c in ['red', 'green', 'blue', 'yellow']: + xs = np.arange(len(c)) + ys = np.zeros_like(xs) + zs = np.zeros_like(ys) + # Color names with same length as xs/ys/zs should not be split into + # individual letters. + ax.bar3d(xs, ys, zs, 1, 1, 1, color=c) + + @mpl3d_image_comparison(['bar3d_shaded.png']) def test_bar3d_shaded(): x = np.arange(4) pFad - Phonifier reborn

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